Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 526A02E0055 for ; Tue, 25 Mar 2008 09:01:10 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 52202-03 for ; Tue, 25 Mar 2008 09:01:07 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from lists.commandprompt.com (host-159.commandprompt.net [207.173.203.159]) by postgresql.org (Postfix) with ESMTP id C94F42E0041 for ; Tue, 25 Mar 2008 09:01:07 -0300 (ADT) Received: from perhan.alvh.no-ip.org (200-126-66-43.bk5-dsl.surnet.cl [200.126.66.43]) (authenticated bits=0) by lists.commandprompt.com (8.13.8/8.13.8) with ESMTP id m2PC1YNJ019663 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 25 Mar 2008 05:01:36 -0700 Received: by perhan.alvh.no-ip.org (Postfix, from userid 1000) id 51D3D47BFE; Tue, 25 Mar 2008 09:01:01 -0300 (CLST) Date: Tue, 25 Mar 2008 09:01:01 -0300 From: Alvaro Herrera To: sathiya psql Cc: Harald Armin Massa , pgsql-performance@postgresql.org Subject: Re: what is the maximum number of rows in a table in postgresql 8.1 Message-ID: <20080325120101.GC6756@alvh.no-ip.org> References: <7be3f35d0803250448h62f47b13mebe0252fca9b90e1@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.17+20080114 (2008-01-14) X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0 (lists.commandprompt.com [207.173.203.159]); Tue, 25 Mar 2008 05:01:37 -0700 (PDT) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200803/466 X-Sequence-Number: 29420 sathiya psql escribió: > I have 1 GB RAM with Pentium Celeron. > 50 lakh records and postgres performance is not good.... > > It takes 30 sec for simple queries.... Shows us the explain analyze. There is no problem with a large number of records, as long as you're not expecting to process all of them all the time. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.